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P, Q and R are three coplanar forces acting at a point and are in equilibrium. Given P=1.9318 kg wt., $\sin θ_{1} = 0.9659$ , the value of R is ( in kg wt.)

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Correct option is C

Psin⁡θ1=Qsin⁡θ2=Rsin⁡150∘⇒ 1.93sin⁡θ1=Rsin⁡150∘⇒ R=1.93×sin⁡150∘sin⁡θ1=1.93×0.50.9659=1

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P, Q and R are three coplanar forces acting at a point and are in equilibrium. Given P=1.9318 kg wt., sin⁡θ1=0.9659, the value of R is ( in kg wt.)

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Ready to Test Your Skills?

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P, Q and R are three coplanar forces acting at a point and are in equilibrium. Given P=1.9318 kg wt., $\sin θ_{1} = 0.9659$ , the value of R is ( in kg wt.)